@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
@namespace html url("http://www.w3.org/1999/xhtml");
.tabbrowser-tabs{background-position:0 -150px!important;background-color:#000!important}
.tabbrowser-strip{width:100%!important;position:fixed!important;top:0!important;z-index:0!important}
.tab-drop-indicator-bar{position:fixed!important;top:0!important;z-index:1!important;width:100%!important}
#browser{border-left:1px solid rgba(207,224,245,.9)!important;border-right:1px solid rgba(207,224,245,.9)!important}
window[sizemode="maximized"]#browser{border-left:0!important;border-right:0!important}